نتایج جستجو برای: 399
تعداد نتایج: 3610 فیلتر نتایج به سال:
چکیده پیش بینی هزینه های نگهداری و تعمیرات ماشین های مورد استفاده در واحد های مکانیزه کشاورزی و زمان جایگزینی آن ها از نظر مدیریت اقتصادی بسیار حائز اهمیت است. جایگزینی باید بر مبنای عوامل اقتصادی باشد؛ بدین معنی که جایگزینی باید در اقتصادی ترین موقعیت و نه هنگامی که دارایی فرسوده می شود، انجام گیرد. هزینه های نگهداری و تعمیر در تعیین عمر بهینه اقتصادی، از اهمیت ویژه ای برخوردار است که متأثر ا...
Wings of various Drosophila melanogaster fly lines were analyzed: the common laboratory fly strain OregonR, inbred fly strains North-Carolina 375 and North-Carolina 399, and wild-caught flies from New Jersey, USA and Cartagena, Colombia. Flies were grown at 22◦C, except otherwise noted. For the temperature experiment, flies were kept at defined temperatures (16◦C, 18◦C, and 28◦C) for two genera...
This study investigates whether the capital market values the efficiency of firms. After tracing stock returns and efficiency changes of 399 listed insurance firms in 52 countries during the 2002-2008 period, the paper reports a positive and statistically significant relationship between profit efficiency change and market adjusted stock returns. However, there is no robust evidence that cost e...
Under 5 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 4.2 5 to 9 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 5.5 10 to 14 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 4.8 15 to 19 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 4.7 20 to 24 years . . . . . . . . . . . . . . . . . . . . ....
Imported dengue cases originating from the Madeiran outbreak are increasingly reported. In 2012 five Finnish travellers returning from Madeira were diagnosed with dengue fever. Viral sequence data was obtained from two patients. The partial C-preM sequences (399 and 396 bp respectively) were found similar to that of an autochthonous case from Madeira. The partial E-gene sequence (933 bp) which ...
5 a Department of Packaging and Materials Technologys, Faculty of Agro-Industry, 6 Kasetsart University, 50 Phaholoyothin Rd., Chatuchak, Bangkok, 10900, Thailand 7 b KS PackExpert & Associates, PO Box 399, Mansfield, 3724, Australia 8 c School of Engineering and Science, Faculty of Health, Engineering and Science, 9 Victoria University, P.O. Box 14428, Melbourne, 8001, Australia 10 d Departmen...
1997 IEEE. Proc. of Int. Conf. on Comp. Vision and Pat. Recog., Puerto Rico, June 1997, p.393-399 1 Cylindrical Recti cation to Minimize Epipolar Distortion S ebastien Roy y Jean Meuniery Ingemar J. Cox NEC Research Institute Universit e de Montr ealy 4 Independence Way D epartement d'informatique et de recherche op erationnelle Princeton, NJ 08540, U.S.A. C.P. 6128, Succ. Centre-Ville, Montr e...
BRENDA DOTI, EVANGELINA SCHWINDT & FABRIZIO SCARABINO Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina Grupo de Ecología en Ambientes Costeros, Centro Nacional Patagónico (CENPAT-CONICET), Blvd. Brown 2915, Puerto Madryn (U9120ACD), Argentina. E-mail: schwindt@cen...
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